| 1. | A compression wave in decelerating flow steepens . 压缩波在减速流中变陡。 |
| 2. | Model research on compression wave of high - speed train entering into a tunnel 高速列车进入隧道产生压缩波的实验研究 |
| 3. | Difference solution to dynamic instability of straight bars under elastic compression wave 弹性压应力波作用下直杆动力失稳的差分解 |
| 4. | Finite element eigenvalue analysis for dynamic buckling of cylindrical shells under axial elastic compression wave 轴向应力波作用下圆柱壳弹性轴对称动力失稳有限元特征值分析 |
| 5. | The analysis of the compression wave and the effects of the tunnel hoods by experimental method is the purpose of this paper 本论文以实验为主,对隧道压缩波和缓冲结构效应进行研究分析。 |
| 6. | In these equations , the compression wave propagation and the transverse inertia effect were taken into consideration 通过引入圆柱壳动力失稳时的波前约束条件实现了此类问题的有限元特征值解法。 |
| 7. | Numerical method of initial compression waves produced by a high - speed train entering a tunnel - hood based on one dimensional unsteady compressible flow model 高速铁路隧道初始压缩波一维流动模型的数值分析方法 |
| 8. | The finite element numerical method was used to study the dynamic buckling of cylindrical shells under elastic compression wave 摘要本文运用有限元特征值分析方法对应力波作用下圆柱壳弹性轴对称动力失稳问题进行了研究。 |
| 9. | By the use of dynamic buckling supplementary restraint conditions at the compression wave front of cylindrical shells at the instant when the buckling occurs , the critical load and dynamic buckling modes of shells were calculated from the solutions of finite element characteristic equations 计算结果揭示了圆柱壳弹性轴对称动力屈曲变形发展的机理,以及轴向应力波和屈曲变形的相互作用规律。 |
| 10. | Compared with situations of without tunnel hoods and 3 different kinds of tunnel hoods , the relationships of the max pressure , the gradient of the pressure and the velocity of the train are attained and the propagation process of the compression waves in tunnel is verified 通过在对无缓冲结构和三种不同形式缓冲结构条件下,分析高速列车模型实验测试数据,得到了隧道压缩波最大值及隧道压缩波梯度最大值与速度的关系,验证了隧道压缩波在隧道内的传播过程。 |